6Pcs Trailer Coupler Pin, 5/16" X 4-3/16" Safety Trailer Hitch Locking Pin

Description: Material: Made of carbon steel with a galvanized surface, the wire locking pin has good rust and corrosion resistance, strong load-bearing capacity, and its robust structure can prevent deformation. Self-Locking Design: Featuring a self-locking ring design, the safety coupler pin is suitable for towing trailers or securing machinery, can secure a stable connection between the trailer coupler latch and the trailer ball, and prevent accidental disconnection during transit. Easy to Install: Simply insert the safety pin into the trailer tongue and use the D-shapedcoupler pin's retaining clip to securely lock it in place to easily secure the trailer without loosening. The extended cord length for easier handling. Wide Application: The trailer coupler pin is suitable for agriculture, horticulture, trucks, lawnmowers, tractors, trailer couplers, power take-off shaft accessories, and other locking applications. Specification: Pins Diameter: 8 mm / 5/16" Pins Length: 106 mm / 4-3/16" Usable Length: 100 mm / 3.94" Coil Diameter: 2.2 mm / 0.09" Head Diameter: 14 mm / 0.55" Packing List: 6 Pcs x Trailer Safety Pins with 6 Pcs x Anti-Lost Ropes (1.5mm Dia. x 18cm Length) and Ring (20mm)